<template>
  <div class="app-container">
    <el-table
      v-loading="loading"
      :data="studentList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column
        label="选课ID"
        align="center"
        prop="curriculaVaribleId"
      />
      <el-table-column
        label="选课名称"
        align="center"
        prop="curriculaVaribleName"
      />
      <el-table-column
        label="上课教室"
        align="center"
        prop="curriculaVaribleAdd"
      />
      <el-table-column label="老师" align="center" prop="teacherName" />
      <el-table-column label="成绩" align="center" prop="labReportNumber" />
      <el-table-column label="教师评价" align="center" prop="evaluateText" />
      <el-table-column label="作业状态" align="center" prop="typeMsg" />
      <el-table-column
        label="作业"
        align="center"
        prop="labReportContent"
        width="100"
      >
        <template slot-scope="scope">
          <image-preview
            :src="scope.row.labReportContent"
            :width="50"
            :height="50"
          />
        </template>
      </el-table-column>
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['student:student:edit']"
            >提交作业</el-button
          >
        </template>
      </el-table-column>
    </el-table>



    <!-- 添加或修改(注册)学生信息对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px"> 
        <el-form-item label="作业" prop="labReportContent">
          <image-upload v-model="form.labReportContent"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />
  </div>
</template>
  
  <script>
import {
  listStudent,
  getStudent,
  delStudent,
  addStudent,
  updateStudent,
} from "@/api/student/myClass";

export default {
  name: "Student",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // (注册)学生信息表格数据
      studentList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        studentName: null,
        studentNumber: null,
        studentSex: null,
        studentAdd: null,
        studentDate: null,
        studentMajor: null,
        studentPhone: null,
        allStudentId: null,
        studentBy1: null,
        studentBy2: null,
        studentBy3: null,
        studentHeadImage: null,
        studentPassword: null,
        teacherId: null,
        typeId: null,
        userId: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {},
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询(注册)学生信息列表 */
    getList() {
      this.loading = true;
      listStudent().then((response) => {
        this.studentList = response.data.list;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        labReportContent : ''
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.studentId);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "提交作业";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const studentId = row.curriculaVaribleId || this.ids
      getStudent(studentId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "提交作业";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
            updateStudent(this.form).then((response) => {
              this.$modal.msgSuccess("提交成功");
              this.open = false;
              this.getList();
            });
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const studentIds = row.studentId || this.ids;
      this.$modal
        .confirm(
          '是否确认删除(注册)学生信息编号为"' + studentIds + '"的数据项？'
        )
        .then(function () {
          return delStudent(studentIds);
        })
        .then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        })
        .catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download(
        "student/student/export",
        {
          ...this.queryParams,
        },
        `student_${new Date().getTime()}.xlsx`
      );
    },
  },
};
</script>
  